The SUEZ Move Challenge app is available in French and Canadian French (oui, oui !), English (yes yes !), Spanish (¡ Si ! ¡ Si !), Italian (ovviamente !), German (ja ja !), Portuguese (Sim Sim !), Japanese (はい), Simplified Chinese (是的), and Russian (да). To change the language, just go to preferences and select the language you want.
The registration page is available in English and French.